public int Blue(GDColor color)
{
GDImage imageData = (GDImage)Marshal.PtrToStructure(this.Handle, typeof(GDImage));
if (imageData.trueColor > 0)
{
return(color & 0x0000FF);
}
return(imageData.blue[color]);
}
public int Green(GDColor color)
{
GDImage imageData = (GDImage)Marshal.PtrToStructure(this.Handle, typeof(GDImage));
if (imageData.trueColor > 0)
{
return((color & 0x00FF00) >> 8);
}
return(imageData.green[color]);
}
public int Alpha(GDColor color)
{
GDImage imageData = (GDImage)Marshal.PtrToStructure(this.Handle, typeof(GDImage));
if (imageData.trueColor > 0)
{
return((color & 0x7F000000) >> 24);
}
return(imageData.alpha[color]);
}
public int Red(GDColor color)
{
GDImage imageData = (GDImage)Marshal.PtrToStructure(this.Handle, typeof(GDImage));
if (imageData.trueColor > 0)
{
return((color & 0xFF0000) >> 16);
}
return(imageData.red[color]);
}
private int GetStructInt(string field)
{
return(Marshal.ReadInt32(this.Handle, GDImage.GetOffset(field)));
}